Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash	$ 2,611	$ 2,347
Marketable securities	286	270
Accounts receivable, net	2,858	3,038
Notes and interest receivable, current portion		249
Inventories, net	927	882
Other current assets	350	340
Total current assets	7,032	7,126
Investments	1,558	1,559
Property and equipment, at cost less accumulated depreciation	1,215	1,144
Patents, net	98	107
Total assets	9,903	9,936
Current liabilities:
Accounts payable	384	294
Deferred revenue, current portion	1,071	918
Accrued payroll	461	519
Accrued expenses	566	711
Other current liabilities	338	379
Total current liabilities	2,820	2,821
Deferred revenue, net of current portion	43	48
Other long-term liabilities	148	148
Intelligent Systems Corporation stockholders’ equity:
Common stock, $0.01 par value, 20,000,000 shares authorized, 8,958,028 issued and outstanding at March 31, 2013 and December 31, 2012	90	90
Additional paid-in capital	21,426	21,406
Accumulated other comprehensive loss	(79)	(101)
Accumulated deficit	(13,618)	(13,758)
Total Intelligent Systems Corporation stockholders’ equity	7,819	7,637
Non-controlling interest	(927)	(718)
Total stockholders’ equity	6,892	6,919
Total liabilities and stockholders’ equity	$ 9,903	$ 9,936